88945985 has 4 divisors (see below), whose sum is σ = 106735188. Its totient is φ = 71156784.

The previous prime is 88945937. The next prime is 88945999. The reversal of 88945985 is 58954988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 78712384 = 3199^2 + 8872^2 .

It is a cyclic number.

It is not a de Polignac number, because 88945985 - 2¹⁸ = 88683841 is a prime.

It is a super-2 number, since 2×88945985² = 15822776495240450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88945985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8894594 + ... + 8894603.

It is an arithmetic number, because the mean of its divisors is an integer number (26683797).

Almost surely, 2^88945985 is an apocalyptic number.

It is an amenable number.

88945985 is a deficient number, since it is larger than the sum of its proper divisors (17789203).

88945985 is a wasteful number, since it uses less digits than its factorization.

88945985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17789202.

The product of its digits is 4147200, while the sum is 56.

The square root of 88945985 is about 9431.1179082864. The cubic root of 88945985 is about 446.3841679813.

The spelling of 88945985 in words is "eighty-eight million, nine hundred forty-five thousand, nine hundred eighty-five".